2011 Mazda RX8 2RTR-1.3LFACTORY OEM SERVICE PROCEDURE

Barometric Pressure Sensor: Testing and Inspection




BAROMETRIC PRESSURE (BARO) SENSOR INSPECTION [13B-MSP]

NOTE:
- Before performing the following inspection, make sure to follow the troubleshooting flowchart. Initial Inspection and Diagnostic Overview

1. Connect the M-MDS to the DLC-2.

2. Turn the ignition switch to the ON position.

3. Select BARO on the M-MDS.

4. Verify that the BARO PID voltage is within the specification.

- If not as verified, replace the PCM. Service and Repair

BARO Sensor Output Voltage
- 2.44-3.80 V

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.